pdksh: pdksh (the Public Domain Korn Shell) pdksh: pdksh: PD-ksh is a clone of the AT&T; Korn shell. At the moment, it has most pdksh: of the ksh88 features, not much of the ksh93 features, and a number of pdksh: its own features. pdksh was initially created by Eric Gisin using pdksh: Charles Forsyth's public domain V7 shell as a base as well as parts of pdksh: the BRL shell. pdksh: pdksh: pdksh: pdksh: